CISA 將 Citrix NetScaler 漏洞 CVE-2026-19490 列入已知遭利用目錄

CISA 列入紀錄

CISA 於 2026-09-09 將 CVE-2026-19490 列入 ，產品為 Citrix NetScaler ^[2]。

原始技術描述

Citrix NetScaler ADC and NetScaler Gateway contain an authentication-bypass vulnerability involving an alternate path or channel. When the NetScaler appliance is configured as an AAA virtual server or as a Gateway (, ICA Proxy, CVPN, or RDP Proxy), an unauthenticated remote threat actor may be able to bypass authentication. ^[2]

官方要求

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. ^[2]

個別事件原始紀錄

美國國家漏洞資料庫（NVD）提供 CVE-2026-19490 的獨立漏洞紀錄與說明。 ^[1]